Weathering

Front

What is weathering?

Back

Weathering is the process of breaking down rocks into sediment.

Front

What processes do plant roots cause?

Back

Plant roots cause both physical and chemical weathering.

Tags

NGSS.MS-LS2-3

Front

What is an example of chemical weathering?

Back

Lichens growing on a boulder release enzymes and acids that break the rock apart.

Tags

NGSS.MS-ESS2-1

Front

What happens to sandstone when it changes color from exposure to water and air?

Back

It is an example of chemical weathering.

Front

How do physical and chemical weathering differ?

Back

Only chemical weathering produces new materials.

Front

What is physical weathering?

Back

Physical weathering is the process of breaking rocks into smaller pieces without changing their chemical composition.

Front

What is chemical weathering?

Back

Chemical weathering involves the breakdown of rocks through chemical reactions, often producing new materials.

Tags

NGSS.MS-PS1-2

Front

Give an example of physical weathering.

Back

An example of physical weathering is the freezing and thawing of water in rock cracks.

Front

What role does water play in weathering?

Back

Water can cause both physical and chemical weathering by breaking rocks apart and facilitating chemical reactions.

Front

What is the effect of temperature changes on rocks?

Back

Temperature changes can cause rocks to expand and contract, leading to physical weathering.